The function of the cement drainage pipe is as follows:

1. Highway longitudinal and transverse drainage and permeability:

2. Highway various retaining walls and side ditches with vertical and horizontal drainage:

3. Tunnel and underground drainage.

4. Municipal engineering, water purification plants, sewage treatment plants, landfill drainage, etc.

5. Drainage for golf courses, sports fields, parks, and other recreational green spaces.

6. Slope Development and Soil and Water Conservation on Hillsides

7. Groundwork for underground drainage.